Rendering test for setting layer style

test/rendering/cases/cog-style/main.js

@@ -0,0 +1,45 @@
+import GeoTIFF from '../../../../src/ol/source/GeoTIFF.js';
+import Map from '../../../../src/ol/Map.js';
+import TileLayer from '../../../../src/ol/layer/WebGLTile.js';
+
+const source = new GeoTIFF({
+  sources: [
+    {
+      url: '/data/raster/sentinel-b04.tif',
+      min: 0,
+      max: 10000,
+    },
+    {
+      url: '/data/raster/sentinel-b08.tif',
+      min: 0,
+      max: 10000,
+    },
+  ],
+  transition: 0,
+});
+
+const layer = new TileLayer({
+  source: source,
+});
+
+new Map({
+  layers: [layer],
+  target: 'map',
+  view: source.getView(),
+});
+
+layer.setStyle({
+  color: [
+    'interpolate',
+    ['linear'],
+    ['/', ['-', ['band', 2], ['band', 1]], ['+', ['band', 2], ['band', 1]]],
+    -0.2,
+    [200, 0, 0],
+    1,
+    [0, 255, 0],
+  ],
+});
+
+render({
+  message: 'update the layer style',
+});